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CVE Number Vulnerability Product Severity Date
CVE-2025-59227 Microsoft Office Remote Code Execution Vulnerability Microsoft Office, Microsoft 365 App Critical 14-11-2025

Technical Information

An attacker located remotely could achieve local arbitrary code execution by exploiting a use-after-free vulnerability in Microsoft Office, which requires convincing the user to open a malicious file potentially even through the Preview Pane.

Patch release date: Oct 14, 2025
Further information on this vulnerability is available at : CVE-2025-59227

Affected Software

Microsoft Office 2016 (64-bit edition),
Microsoft Office 2019 for 32-bit editions,
Microsoft Office 2019 for 64-bit editions,
Microsoft Office LTSC 2021 for 32-bit editions,
Microsoft Office LTSC 2021 for 64-bit editions,
Microsoft Office LTSC 2024 for 32-bit editions,
Microsoft Office LTSC 2024 for 64-bit editions,
Microsoft 365 Apps for Enterprise for 32-bit Systems,
Microsoft 365 Apps for Enterprise for 64-bit Systems,
Microsoft Office LTSC for Mac 2024,
Microsoft Office 2016 (32-bit edition),
Microsoft Office LTSC for Mac 2021,
Microsoft Office for Android